Practice Gps Accuracy And Precision (5.2.6) - Total Station and GPS Surveying

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10 questions

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3 cards from this section. Quick, good the night before a test.
Exercise
6 questions · about 4 min · pass mark 70%. Hints available.
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Quiz
4 questions · about 3 min · pass mark 70%. Hints available.
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6 sample questions

Question 1.
What does GPS accuracy refer to?
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Think about how you can measure distance.
Question 2.
How does observation time affect GPS accuracy?
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Consider what happens to data over time.
3Question 3.
What does GPS accuracy measure?
- The speed of the GPS
- Closeness to true position
- The price of GPS receivers
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Think about what 'accuracy' means generally.
4Question 4.
Longer observation times usually lead to better GPS accuracy.
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Consider how gathering data for longer might affect reliability.
Question 5.
Given a scenario where a GPS survey is performed in an urban area with reflective buildings, how would you approach ensuring accuracy?
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Think about technology that provides corrections.
Question 6.
Analyze how different PDOP configurations influence GPS accuracy in different terrains. Why is it critical to monitor PDOP during a surveying campaign?
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Consider the impact of satellite arrangement.

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